Tool holder



FIG. 1 is a perspective view of a tool holder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side view being a mirror image of that shown;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view embodying the utilization of my new design;

The broken line showing of wrench and socket is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tool holder, as shown and described. 